Healdsburg Historic Weather Records
Analyse hottest, coldest, windiest & wettest days
Healdsburg Historic Weather Records
Analyse hottest, coldest, windiest & wettest days
Healdsburg Weather Trend Graph
Yearly Summary 2026
Seasonal Breakdown

Healdsburg Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.
Frequently Asked Questions
1. What is the hottest month in Healdsburg historically?
1. What is the hottest month in Healdsburg historically?
July is historically Healdsburg's hottest month, with average maximum temperatures around 31°C. During peak heatwave events, the highest recorded temperatures have reached 46°C on 2022-09-06.
2. What is the coldest month in Healdsburg historically?
2. What is the coldest month in Healdsburg historically?
January is Healdsburg's coldest month, with average minimum temperatures around 5°C. The all-time record low of -3°C was recorded on 2011-02-26.
3. What is the average annual rainfall in Healdsburg over the past 17 years?
3. What is the average annual rainfall in Healdsburg over the past 17 years?
Healdsburg's average annual rainfall is approximately 921.9mm, based on records spanning 17 years.
4. How many rainy days does Healdsburg experience on average per year?
4. How many rainy days does Healdsburg experience on average per year?
Healdsburg historically records approximately 80.1 rainy days per year. December has the highest number of rain days at an average of 12.9 days.
5. What is the all-time highest temperature ever recorded in Healdsburg?
5. What is the all-time highest temperature ever recorded in Healdsburg?
The all-time highest temperature recorded in Healdsburg is 46°C on 2022-09-06.
6. What is the all-time lowest temperature ever recorded in Healdsburg?
6. What is the all-time lowest temperature ever recorded in Healdsburg?
The all-time lowest temperature recorded in Healdsburg is -3°C on 2011-02-26.
7. What is the windiest time of year in Healdsburg historically?
7. What is the windiest time of year in Healdsburg historically?
Healdsburg experiences its strongest winds during May. The historic gust record of 37.8 kph was recorded on 2025-12-25.
8. What is the highest and lowest humidity in Healdsburg during a year?
8. What is the highest and lowest humidity in Healdsburg during a year?
Usually, Healdsburg's humidity peaks in March at around 75.8% and drops to its lowest in September at approximately 55.8%.